Specifications

Cable Specifications C-3
Console and Auxiliary Port Signals and Pinouts
Console Port Signals and Pinouts
Use the thin, flat, RJ-45-to-RJ-45 roll-over cable and RJ-45-to-DB-9 female DTE adapter
(labeled “TERMINAL”) to connect the console port to a PC running terminal emulation
software. Figure C-2 shows how to connect the console port to a PC. Table C-1 lists the
pinouts for the asynchronous serial console port, the RJ-45-to-RJ-45 roll-over cable, and
the RJ-45-to-DB-9 female DTE adapter (labeled “TERMINAL”).
Figure C-2 Connecting the Console Port to a PC
1. Pin 1 is connected internally to Pin 8.
Table C-1 Console Port Signaling and Cabling Using a DB-9 Adapter
Console
Port (DTE)
RJ-45-to-RJ-45
Roll-Over Cable
RJ-45-to-DB-9
Terminal Adapter
Console
Device
Signal RJ-45 Pin RJ-45 Pin DB-9 Pin Signal
RTS 1
1
8 8 CTS
DTR 2 7 6 DSR
TxD 3 6 2 RxD
GND 4 5 5 GND
GND 5 4 5 GND
RxD 6 3 3 TxD
DSR 7 2 4 DTR
CTS 8
1
17 RTS
PC
H7226
RJ-45-to-RJ-45
roll-over cable
RJ-45-to-DB-9 adapter
(labeled “TERMINAL”)
Router